Bhattacharyya, G.
Information sciences: a unified view through a system- approach / G.Bhattacharyya - Calcutta Indian association of special libraries and information centers 1978 - 231 p.
Library and information sciences
021 / BHA
Information sciences: a unified view through a system- approach / G.Bhattacharyya - Calcutta Indian association of special libraries and information centers 1978 - 231 p.
Library and information sciences
021 / BHA